Add additional layers from own definitions

- in JOSM format with some exceptions
- basic WMS support
- API key handling

yarn.lock

@@ -1194,6 +1194,11 @@
     "@turf/invariant" "^5.1.5"
     d3-voronoi "1.1.2"
 
+JSV@^4.0.x:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/JSV/-/JSV-4.0.2.tgz#d077f6825571f82132f9dffaed587b4029feff57"
+  integrity sha1-0Hf2glVx+CEy+d/67Vh7QCn+/1c=
+
 acorn-bigint@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/acorn-bigint/-/acorn-bigint-0.3.1.tgz#edb40a414dcaf5a09c2933db6bed79454b3ff46a"
@@ -1331,6 +1336,11 @@ ansi-styles@^3.2.1:
   dependencies:
     color-convert "^1.9.0"
 
+ansi-styles@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-1.0.0.tgz#cb102df1c56f5123eab8b67cd7b98027a0279178"
+  integrity sha1-yxAt8cVvUSPquLZ817mAJ6AnkXg=
+
 ansi-wrap@0.1.0, ansi-wrap@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/ansi-wrap/-/ansi-wrap-0.1.0.tgz#a82250ddb0015e9a27ca82e82ea603bbfa45efaf"
@@ -1683,6 +1693,15 @@ chalk@^2.4.1:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
+chalk@~0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-0.4.0.tgz#5199a3ddcd0c1efe23bc08c1b027b06176e0c64f"
+  integrity sha1-UZmj3c0MHv4jvAjBsCewYXbgxk8=
+  dependencies:
+    ansi-styles "~1.0.0"
+    has-color "~0.1.0"
+    strip-ansi "~0.1.0"
+
 class-utils@^0.3.5:
   version "0.3.6"
   resolved "https://registry.yarnpkg.com/class-utils/-/class-utils-0.3.6.tgz#f93369ae8b9a7ce02fd41faad0ca83033190c463"
@@ -2727,6 +2746,15 @@ gulp-inject@^1.2.0:
     event-stream "^3.1.0"
     gulp-util "^3.0.0"
 
+gulp-json-concat@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/gulp-json-concat/-/gulp-json-concat-0.1.1.tgz#b66cda73fbb8cfc3d23de601a3e72fc52432ec5d"
+  integrity sha512-6E9HBFUIvdFYrqmO8j2+e0DcJ2uuY7qxQcrxZ4eFNvhYy+M34+vKjv272OuA7NSnt0G2EPITBazmjv8hszJpgQ==
+  dependencies:
+    gulp-util "^3.0.8"
+    jsonlint "^1.6.2"
+    through "^2.3.8"
+
 gulp-match@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/gulp-match/-/gulp-match-1.0.3.tgz#91c7c0d7f29becd6606d57d80a7f8776a87aba8e"
@@ -2818,7 +2846,7 @@ gulp-uglify@^1.1.0:
     uglify-save-license "^0.4.1"
     vinyl-sourcemaps-apply "^0.2.0"
 
-gulp-util@^3.0.0, gulp-util@^3.0.1, gulp-util@^3.0.7:
+gulp-util@^3.0.0, gulp-util@^3.0.1, gulp-util@^3.0.7, gulp-util@^3.0.8:
   version "3.0.8"
   resolved "https://registry.yarnpkg.com/gulp-util/-/gulp-util-3.0.8.tgz#0054e1e744502e27c04c187c3ecc505dd54bbb4f"
   integrity sha1-AFTh50RQLifATBh8PsxQXdVLu08=
@@ -2899,6 +2927,11 @@ has-ansi@^2.0.0:
   dependencies:
     ansi-regex "^2.0.0"
 
+has-color@~0.1.0:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/has-color/-/has-color-0.1.7.tgz#67144a5260c34fc3cca677d041daf52fe7b78b2f"
+  integrity sha1-ZxRKUmDDT8PMpnfQQdr1L+e3iy8=
+
 has-flag@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
@@ -3352,6 +3385,14 @@ json-stringify-safe@~5.0.1:
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
   integrity sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=
 
+jsonlint@^1.6.2:
+  version "1.6.3"
+  resolved "https://registry.yarnpkg.com/jsonlint/-/jsonlint-1.6.3.tgz#cb5e31efc0b78291d0d862fbef05900adf212988"
+  integrity sha512-jMVTMzP+7gU/IyC6hvKyWpUU8tmTkK5b3BPNuMI9U8Sit+YAWLlZwB6Y6YrdCxfg2kNz05p3XY3Bmm4m26Nv3A==
+  dependencies:
+    JSV "^4.0.x"
+    nomnom "^1.5.x"
+
 jsprim@^1.2.2:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.1.tgz#313e66bc1e5cc06e438bc1b7499c2e5c56acb6a2"
@@ -3868,6 +3909,14 @@ natives@^1.1.0:
   resolved "https://registry.yarnpkg.com/natives/-/natives-1.1.6.tgz#a603b4a498ab77173612b9ea1acdec4d980f00bb"
   integrity sha512-6+TDFewD4yxY14ptjKaS63GVdtKiES1pTPyxn9Jb0rBqPMZ7VcCiooEhPNsr+mqHtMGxa/5c/HhcC4uPEUw/nA==
 
+nomnom@^1.5.x:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/nomnom/-/nomnom-1.8.1.tgz#2151f722472ba79e50a76fc125bb8c8f2e4dc2a7"
+  integrity sha1-IVH3Ikcrp55Qp2/BJbuMjy5Nwqc=
+  dependencies:
+    chalk "~0.4.0"
+    underscore "~1.6.0"
+
 normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.5.0.tgz#e66db1838b200c1dfc233225d12cb36520e234a8"
@@ -4939,6 +4988,11 @@ strip-ansi@^3.0.0:
   dependencies:
     ansi-regex "^2.0.0"
 
+strip-ansi@~0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-0.1.1.tgz#39e8a98d044d150660abe4a6808acf70bb7bc991"
+  integrity sha1-OeipjQRNFQZgq+SmgIrPcLt7yZE=
+
 strip-bom-buf@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom-buf/-/strip-bom-buf-1.0.0.tgz#1cb45aaf57530f4caf86c7f75179d2c9a51dd572"
@@ -5197,6 +5251,11 @@ unc-path-regex@^0.1.2:
   resolved "https://registry.yarnpkg.com/unc-path-regex/-/unc-path-regex-0.1.2.tgz#e73dd3d7b0d7c5ed86fbac6b0ae7d8c6a69d50fa"
   integrity sha1-5z3T17DXxe2G+6xrCufYxqadUPo=
 
+underscore@~1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.6.0.tgz#8b38b10cacdef63337b8b24e4ff86d45aea529a8"
+  integrity sha1-izixDKze9jM3uLJOT/htRa6lKag=
+
 union-value@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.0.tgz#5c71c34cb5bad5dcebe3ea0cd08207ba5aa1aea4"