Simplify doc generation infra

PUBLISHED_FROM=80e77fda1c358294f251ca77d3dd64e8ca9160e5

docs/api/items.json

@@ -1,5 +0,0 @@
-{
-  "items": [
-    { "type": "markdown", "name": "intro.md" }
-  ]
-}

docs/examples/intro.md

@@ -1,4 +1,6 @@
 ---
 title: "Examples"
+items:
+  - { type: file, name: parse-http-request.md }
+  - { type: file, name: find-urls.md }
 ---
-

docs/examples/items.json

@@ -1,7 +0,0 @@
-{
-  "items": [
-    { "type": "markdown", "name": "intro.md" },
-    { "type": "markdown", "name": "parse-http-request.md" },
-    { "type": "markdown", "name": "find-urls.md" }
-  ]
-}

docs/intro.md

@@ -0,0 +1,11 @@
+---
+title: SLRE - Super Light RegEx
+color: '#AAA496'
+repo: https://github.com/cesanta/slre
+items:
+  - { type: dir, name: overview }
+  - { type: dir, name: syntax }
+  - { type: dir, name: api }
+  - { type: dir, name: examples }
+  - { type: dir, name: license }
+---

docs/items.json

@@ -1,9 +0,0 @@
-{
-  "items": [
-    { "type": "section", "name": "overview" },
-    { "type": "section", "name": "syntax" },
-    { "type": "section", "name": "api" },
-    { "type": "section", "name": "examples" },
-    { "type": "section", "name": "license" }
-  ]
-}

docs/license/items.json

@@ -1,5 +0,0 @@
-{
-  "items": [
-    { "type": "markdown", "name": "intro.md" }
-  ]
-}

docs/overview/items.json

@@ -1,5 +0,0 @@
-{
-  "items": [
-    { "type": "markdown", "name": "intro.md" }
-  ]
-}

docs/syntax/items.json

@@ -1,5 +0,0 @@
-{
-  "items": [
-    { "type": "markdown", "name": "intro.md" }
-  ]
-}