Added basics of LCPLegend and more controls for blocks. Added boilerplate for lcp/line-graph

blocks/line-graph/package.json

@@ -0,0 +1,23 @@
+{
+    "name": "lcp-line-graph",
+    "version": "1.0.0",
+    "description": "Line graph block using D3.js",
+    "scripts": {
+        "build": "wp-scripts build",
+        "start": "wp-scripts start"
+    },
+    "dependencies": {
+        "@wordpress/block-editor": "^12.0.0",
+        "@wordpress/blocks": "^12.0.0",
+        "@wordpress/components": "^25.0.0",
+        "@wordpress/element": "^5.0.0",
+        "@wordpress/i18n": "^4.0.0",
+        "ag-grid-community": "^31.0.1",
+        "ag-grid-react": "^31.0.1",
+        "d3": "^7.8.5",
+        "papaparse": "^5.5.1"
+    },
+    "devDependencies": {
+        "@wordpress/scripts": "^26.0.0"
+    }
+}