add v1.0.0 release notes (#2915)

* add v1.0.0 release notes

docs/release-notes/release-notes-1.0.0.md

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+# DCRDEX v1.0.0
+
+This release introduces a major version upgrade. Backwards compatibility is
+not strictly preserved.
+
+There are many new features, improvements, and bug fixes since v0.6.
+
+## Features and Improvements
+
+- Add Decred staking
+- Add Decred mixing
+- Add Polygon and Polygon tokens USDC, USDT, WETH, WBTC
+- Add Ethereum token USDT
+- Implement multi-balance contracts for Ethereum and Polygon to reduce provider request rate
+- Use free RPC providers by default for Ethereum and Polygon to enable one-click wallet creation
+- Implement Zcash shielded pool features and refactor wallet to be shielded-by-default
+- Add Digibyte, Firo, Zclassic wallets
+- Expose wallet transaction history
+- Add wallet notifications for new transactions, tip changes, and async ticket purchases
+- Server: Add a Websockets-based reverse tunnel for remote node RPC APIs
+- Server: Enable CA certificates for simplified registration
+- Implement new market making and arbitrage bots and GUI
+- Add Binance and Binance US arbitrage support
+- Refactor reputation system to accommodate low-lot-size markets and smaller bond sizes
+- Show reputation data on dexsettings and trading views
+- Enable password recovery using seed to avoid full wallet restorations
+- Server: Enable public BTC RPC providers
+- Normalize translation system to enable report generation for translators
+- Server: Add database table for finalized candles for faster startup
+- Total GUI refactor. Differentiated sections. Normalized forms. Drop sans-light font
+- Add desktop notifications
+- Implement model Tatanka Mesh for next-gen DEX
+- Use binary searches for optimal lot count in various places for snappier response on low-lot-size markets
+- Make transaction IDs and addresses in notifications into links
+- Enable locating bonds when restoring from seed
+- Switch to a custom BIP-39 based mnemonic seed that encodes the wallet birthday
+- Server: Add endpoint for simple health check for is.decred.online/
+- Enforce minimum rates, minimum lot sizes, and minimum bond sizes based on dust limits
+- Add system installers for Windows, Mac, Linux
+- Rebrand wallet from DCRDEX client (dexc) to Bison Wallet
+- Allow displaying values in custom units in some places
+- Add display for asset fiat rates, current network fees, and anticipated on-chain fees for trading
+
+## Fixes
+
+- Fix rescan panic for native BTC and LTC wallets
+- Multiple UI fixes for incorrect conversions or wrong units displayed
+- Fix panic for nil bookie via core.Book
+- Disable Bitcoin Cash SPV wallet for lack of filter support
+- Tons of other minor fixes
+
+## Code Summary
+
+696 files changed, 149904 insertions(+), 37372 deletions(-)
+
+- Brian Stafford (@buck54321)
+- Jonathan Chappelow (@chappjc)
+- Joe Gruffins (@JoeGruffins)
+- Marton (@martonp)
+- Peter Banik (@peterzen)
+- Philemon Ukane (@ukane-philemon)
+- @dev-warrior777
+- Wisdom Arerosuoghene (@itswisdomagain)
+- Migwi Ndung'u (@dmigwi)
+- David Hill (@dhill)
+- @norwnd
+- @omahs
+- @rubyisrust