feat(tolk): migration from FunC (#1093)

Author: aigerimu

docs.json

@@ -394,7 +394,22 @@
       {
         "group": "Languages",
         "pages": [
-          "languages/tolk",
+          {
+            "group": "Tolk",
+            "tag": "recommended",
+            "pages": [
+              "languages/tolk/overview",
+              {
+                "group": "From FunC",
+                "pages": [
+                  "languages/tolk/from-func/in-short",
+                  "languages/tolk/from-func/in-detail",
+                  "languages/tolk/from-func/mutability",
+                  "languages/tolk/from-func/stdlib"
+                ]
+              }
+            ]
+          },
           {
             "group": "TL-B",
             "pages": [
@@ -596,7 +611,7 @@
   "redirects": [
     {
       "source": "/v3/concepts/dive-into-ton/introduction",
-      "destination": "/",
+      "destination": "/start-here",
       "permanent": true
     },
     {
@@ -856,62 +871,62 @@
     },
     {
       "source": "/v3/documentation/smart-contracts/tolk/overview",
-      "destination": "/languages/tolk",
+      "destination": "/languages/tolk/overview",
       "permanent": true
     },
     {
       "source": "/v3/documentation/smart-contracts/tolk/environment-setup",
-      "destination": "/languages/tolk",
+      "destination": "https://github.com/ton-org/docs/issues/1134",
       "permanent": true
     },
     {
       "source": "/v3/documentation/smart-contracts/tolk/counter-smart-contract",
-      "destination": "/languages/tolk",
+      "destination": "https://github.com/ton-org/docs/issues/1134",
       "permanent": true
     },
     {
       "source": "/v3/documentation/smart-contracts/tolk/language-guide",
-      "destination": "/languages/tolk",
+      "destination": "https://github.com/ton-org/docs/issues/1134",
       "permanent": true
     },
     {
       "source": "/v3/documentation/smart-contracts/tolk/tolk-vs-func/in-short",
-      "destination": "/languages/tolk",
+      "destination": "/languages/tolk/from-func/in-short",
       "permanent": true
     },
     {
       "source": "/v3/documentation/smart-contracts/tolk/tolk-vs-func/in-detail",
-      "destination": "/languages/tolk",
+      "destination": "/languages/tolk/from-func/in-detail",
       "permanent": true
     },
     {
       "source": "/v3/documentation/smart-contracts/tolk/tolk-vs-func/mutability",
-      "destination": "/languages/tolk",
+      "destination": "/languages/tolk/from-func/mutability",
       "permanent": true
     },
     {
       "source": "/v3/documentation/smart-contracts/tolk/tolk-vs-func/stdlib",
-      "destination": "/languages/tolk",
+      "destination": "/languages/tolk/from-func/stdlib",
       "permanent": true
     },
     {
       "source": "/v3/documentation/smart-contracts/tolk/tolk-vs-func/pack-to-from-cells",
-      "destination": "/languages/tolk",
+      "destination": "https://github.com/ton-org/docs/issues/1134",
       "permanent": true
     },
     {
       "source": "/v3/documentation/smart-contracts/tolk/tolk-vs-func/create-message",
-      "destination": "/languages/tolk",
+      "destination": "https://github.com/ton-org/docs/issues/1134",
       "permanent": true
     },
     {
       "source": "/v3/documentation/smart-contracts/tolk/tolk-vs-func/lazy-loading",
-      "destination": "/languages/tolk",
+      "destination": "https://github.com/ton-org/docs/issues/1134",
       "permanent": true
     },
     {
       "source": "/v3/documentation/smart-contracts/tolk/changelog",
-      "destination": "/languages/tolk",
+      "destination": "https://github.com/ton-org/docs/issues/1134",
       "permanent": true
     },
     {