feat: initial project setup with implementation plan

- Add PLAN.md with 40-step checklist across 10 phases
- Add CLAUDE.md with project-specific instructions
- Set up nix flake with FastHTML/MonsterUI dependencies
- Create Python package skeleton (src/animaltrack)
- Vendor FastHTML and MonsterUI documentation
- Add Docker build configuration

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docs/vendor/monsterui/api_ref/docs_button_link.md

@@ -0,0 +1,90 @@
+# Buttons & Links API Reference
+
+See Source
+
+See Output
+
+DefaultPrimarySecondaryDangerTextLinkGhost
+
+[code]
+
+    def ex_buttons(): 
+        return Grid(
+            Button("Default"),
+            Button("Primary",   cls=ButtonT.primary),
+            Button("Secondary", cls=ButtonT.secondary),
+            Button("Danger",    cls=ButtonT.destructive),
+            Button("Text",      cls=ButtonT.text),
+            Button("Link",      cls=ButtonT.link),
+            Button("Ghost",     cls=ButtonT.ghost),
+            )
+    
+[/code]
+
+See Source
+
+See Output
+
+Default LinkMuted LinkText LinkReset LinkPrimary LinkClassic Link
+
+[code]
+
+    def ex_links(): 
+        return Div(cls='space-x-4')(
+            A('Default Link'),
+            A('Muted Link', cls=AT.muted),
+            A('Text Link',  cls=AT.text),
+            A('Reset Link', cls=AT.reset),
+            A('Primary Link', cls=AT.primary),
+            A('Classic Link', cls=AT.classic),)
+    
+[/code]
+
+### Button
+
+Source
+
+[code]
+
+    Button(*c: Union[str, fastcore.xml.FT], cls: Union[str, enum.Enum] = <ButtonT.default: 'uk-btn-default'>, submit=True, **kwargs) -> fastcore.xml.FT
+[/code]
+
+> Button with Styling (defaults to `submit` for form submission)
+
+**Params**
+
+  * `c` Contents of `Button` tag (often text)
+
+  * `cls` Classes in addition to `Button` styling (use `ButtonT` for built in styles)
+
+  * `submit` Whether the button should submit a form
+
+  * `kwargs`
+
+**Returns:** Button(..., cls='uk-btn')
+
+* * *
+
+### ButtonT
+
+_Options for styling Buttons_
+
+Option | Value | Option | Value | Option | Value  
+---|---|---|---|---|---  
+default | uk-btn-default | ghost | uk-btn-ghost | primary | uk-btn-primary  
+secondary | uk-btn-secondary | destructive | uk-btn-destructive | text | uk-btn-text  
+link | uk-btn-link | xs | uk-btn-xs | sm | uk-btn-sm  
+lg | uk-btn-lg | xl | uk-btn-xl | icon | uk-btn-icon  
+  
+* * *
+
+### AT
+
+_Link styles from https://franken-ui.dev/docs/link_
+
+Option | Value | Option | Value  
+---|---|---|---  
+muted | uk-link-muted | text | uk-link-text  
+reset | uk-link-reset | primary | uk-link text-primary hover:text-primary-focus underline  
+classic | text-blue-600 hover:text-blue-800 underline |  | 
+