prep for initial releasev0.1.0

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+# textmode
+
+`textmode` is a library for terminal interaction built on top of a real
+terminal parsing library. It allows you to do arbitrary drawing operations on
+an in-memory screen, and then update the visible terminal output to reflect the
+in-memory screen via an optimized diff algorithm when you are finished. Being
+built on a real terminal parsing library means that while normal curses-like
+operations are available:
+
+```rust
+use textmode::Textmode;
+let mut tm = textmode::Output::new().await?;
+tm.clear();
+tm.move_to(5, 5);
+tm.set_fgcolor(textmode::color::RED);
+tm.write_str("foo");
+tm.refresh().await?;
+```
+
+you can also write data containing arbitrary terminal escape codes to the
+output and they will also do the right thing:
+
+```rust
+tm.write(b"\x1b[34m\x1b[3;9Hbar\x1b[m");
+tm.refresh().await?;
+```
+
+This module is split into two main parts: `Output` and `Input`. See the
+documentation for those types for more details. Additionally, the `blocking`
+module provides an equivalent interface with blocking calls instead of async.