Add some docs

docs/protocols/LAN_DISCOVERY.md

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+> [!NOTE]
+> DRAFT
+
+# LAN Discovery
+
+Doing things
+
+Broadcast port: 4898
+
+| Name              | Type     | Description                                                              |
+|-------------------|----------|--------------------------------------------------------------------------|
+| Version           | int32_t  | Version of protocol this application supports                            |
+| Owner             | string   | Nickname of application's active user                                    |
+| Hostname          | string   | Name of device                                                           |
+| UUID              | string   | Unique identifier for this application                                   |
+| Application       | string   | Name of application                                                      |
+| Features          | array    | Array of strings naming features the application supports                |
+| Service Port      | uint16_t | Dynamically assigned TCP port that interested parties should connect too |
+
+> [!NOTE]
+> Max packet size for UDP broadcast may need to be limited to 512 bytes
+
+```json
+{
+  "version": 0,
+  "owner": "cyberarm",
+  "hostname": "PC-1692",
+  "uuid": "019bcf1e-a22e-7fe0-a3db-3a9d37bfc6fa",
+  "application": "W3D Hub Linux Launcher",
+  "features": [
+    "launcher_remote:3",
+    "package_share:1"
+  ],
+  "service_port": 56802
+}
+```

docs/protocols/LAN_PACKAGE_SHARE.md

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+> [!NOTE]
+> DRAFT
+
+# LAN Package Share
+
+Authentication is not required, only user opt-in to enable package sharing from their application.
+
+* List available packages
+* upload or download verified packages between other applications on LAN network

docs/protocols/LAUNCHER_REMOTE.md

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+> [!NOTE]
+> DRAFT
+
+# Launcher Remote
+
+* Get list of available, installed, and in progress applications
+* Trigger download or update of application
+* Delete application
+* Join server