refactor: rename RDReaderView -> RDEpubReaderView, update pod config and docs

- Rename source module from RDReaderView to RDEpubReaderView
- Move all source files from Sources/RDReaderView/ to Sources/RDEpubReaderView/
- Update podspec: RDReaderView.podspec -> RDEpubReaderView.podspec
- Update Podfile, demo project, and CocoaPods config for new pod name
- Delete old RDReaderView pod support files from ReadViewDemo/Pods
- Add new RDEpubReaderView pod support files
- Update documentation (API ref, architecture, UML, conventions, etc.)
- Add FixedLayoutRotationTests
- Update .gitignore: exclude .DS_Store, manual unpack backups, _ssoft-output

ReadViewDemo/Pods/Local Podspecs/RDEpubReaderView.podspec.json

@@ -0,0 +1,37 @@
+{
+  "name": "RDEpubReaderView",
+  "module_name": "RDEpubReaderView",
+  "version": "0.0.1",
+  "summary": "A reader view for EPUB and plain-text books",
+  "platforms": {
+    "ios": "15.0"
+  },
+  "swift_versions": [
+    "5.10"
+  ],
+  "homepage": "https://github.com/namesubai/RDEpubReaderView.git",
+  "authors": {
+    "subai": "804663401@qq.com"
+  },
+  "source": {
+    "git": "https://github.com/namesubai/RDEpubReaderView.git",
+    "tag": "0.0.1"
+  },
+  "license": "MIT",
+  "source_files": "Sources/RDEpubReaderView/**/*.{swift}",
+  "resource_bundles": {
+    "RDEpubReaderViewAssets": [
+      "Sources/RDEpubReaderView/EPUBCore/Resources/**/*"
+    ]
+  },
+  "dependencies": {
+    "ZIPFoundation": [
+      "~> 0.9"
+    ],
+    "DTCoreText": [
+      "~> 1.6"
+    ]
+  },
+  "requires_arc": true,
+  "swift_version": "5.10"
+}

ReadViewDemo/Pods/Local Podspecs/RDReaderView.podspec.json

@@ -1,36 +0,0 @@
-{
-  "name": "RDReaderView",
-  "version": "0.0.1",
-  "summary": "A reader view for novel",
-  "platforms": {
-    "ios": "15.6"
-  },
-  "swift_versions": [
-    "5.10"
-  ],
-  "homepage": "https://github.com/namesubai/RDReaderView.git",
-  "authors": {
-    "subai": "804663401@qq.com"
-  },
-  "source": {
-    "git": "https://github.com/namesubai/RDReaderView.git",
-    "tag": "0.0.1"
-  },
-  "license": "MIT",
-  "source_files": "Sources/RDReaderView/**/*.{swift}",
-  "resource_bundles": {
-    "RDReaderViewAssets": [
-      "Sources/RDReaderView/EPUBCore/Resources/**/*"
-    ]
-  },
-  "dependencies": {
-    "ZIPFoundation": [
-      "~> 0.9"
-    ],
-    "DTCoreText": [
-      "~> 1.6"
-    ]
-  },
-  "requires_arc": true,
-  "swift_version": "5.10"
-}