feat: first release !

CHANGELOG.md

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+# Changelog
+
+All notable changes to Plotzilla are documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/). The current
+version is in the `VERSION` file.
+
+## [1.0] - 2026-09-28
+
+### Added
+
+- Screenplay editor on a page drawn at the real printed size, with scene heading, action,
+  character, parenthetical, dialogue, transition, insert/shot, intertitle and centered elements
+  (`Ctrl+1` to `Ctrl+9`).
+- Final Draft-style typing: `Enter` creates the next logical element, `Tab` cycles the type,
+  scene headings, inserts, parentheticals and transitions are recognized as you type.
+- Dual dialogue (`Ctrl+D`), bold, italic and underline.
+- Autocomplete for character names, extensions, locations, times of day, inserts and
+  transitions.
+- Live page breaks computed by the PDF layout engine, with `(MORE)` / `(CONT'D)` and the usual
+  pagination rules.
+- Scene navigator with scene numbers and pages; focus mode; zoom.
+- Find and replace, with match case and whole words.
+- Spell checking with the system's Hunspell dictionaries, including compound words (with
+  `COMPOUNDRULE` patterns), a personal dictionary and screenplay-aware rules (character names,
+  sluglines, abbreviations).
+- Title page editor.
+- Fountain as the native format; Final Draft (`.fdx`) import and export; PDF export in US Letter
+  or A4, with optional title page and scene numbers.
+- Fountain sections, synopses and notes, shown in the editor and in the navigator outline,
+  never printed.
+- Colored revisions (Blue, Pink, Yellow…) with revision headers and asterisks in the PDF.
+- Locked pages, with A pages (`12A`) and merged pages (`12-13`).
+- Forced page breaks (`Ctrl+Enter`), read and written as Fountain's `===` and Final Draft's
+  `StartsNewPage`.
+- Sections, synopses, notes and revisions in Final Draft files.
+- Autosave, with recovery of untitled scripts, and a confirmation before discarding changes.
+- Frameless window with an in-app header bar, English interface whatever the system language.
+
+### Changed
+
+- The window no longer depends on GNOME: window buttons follow the desktop's GTK button layout,
+  and the light/dark preference is read from the XDG desktop portal (GNOME setting as fallback).
+
+### Fixed
+
+- File choosers no longer switch to light mode on KDE Plasma and other non-GNOME desktops.
+- Window corners stay square instead of showing black wedges when no compositor is running.