Allow import of GRAPHML file #135

Except for the cloud (ie. for github), because we don't have a writer
for graphml, and we need it to save in the cloud.

package.json

@@ -34,6 +34,7 @@
     "@types/chroma-js": "^2.4.3",
     "@types/classnames": "^2.3.1",
     "@types/file-saver": "^2.0.7",
+    "@types/is-url": "^1.2.32",
     "@types/lodash": "^4.14.202",
     "@types/node": "^20.11.10",
     "@types/react": "^18.2.48",
@@ -53,6 +54,7 @@
     "graphology": "^0.25.4",
     "graphology-communities-louvain": "^2.0.1",
     "graphology-gexf": "^0.12.1",
+    "graphology-graphml": "^0.5.2",
     "graphology-layout": "^0.6.1",
     "graphology-layout-force": "^0.2.4",
     "graphology-layout-forceatlas2": "^0.10.1",
@@ -64,6 +66,7 @@
     "i18next": "^23.8.1",
     "i18next-browser-languagedetector": "^7.2.0",
     "i18next-scanner": "^4.4.0",
+    "is-url": "^1.2.4",
     "isomorphic-fetch": "^3.0.0",
     "iwanthue": "^2.0.0",
     "locale-emoji": "^0.3.0",
@@ -82,12 +85,12 @@
     "react-i18next": "^14.0.1",
     "react-icons": "^5.0.1",
     "react-infinite-scroll-component": "^6.1.0",
+    "react-linkify": "^1.0.0-alpha",
     "react-router": "^6.21.3",
     "react-router-dom": "^6.21.3",
     "react-select": "^5.8.0",
     "react-slider": "^2.0.6",
     "react-tether": "^3.0.3",
-    "react-linkify": "^1.0.0-alpha",
     "react-use-konami": "^1.1.0",
     "sass": "^1.70.0",
     "typescript": "^5.3.3",