chore: update doc and ci

Signed-off-by: Chen Kai <281165273grape@gmail.com>

Author: GrapeBaBa

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
         run: zig fmt . --check
 
       - name: Run tests
-        run: zig build test
+        run: zig build test --summary all
 
       - name: Run example
         run: zig build run-example

README.md

@@ -1,6 +1,6 @@
 # clock.zig
 
-A small beacon-style slot clock library in Zig.
+A beacon slot clock in Zig.
 
 ## Build and Run
 
@@ -26,10 +26,6 @@ zig build run-example
 4. Wait API:
    - `waitForSlot(target)` returns when `currentSlot() >= target`.
    - Abort wakes waiters and returns `error.Aborted`.
-5. Time model:
-   - Public time inputs are milliseconds (`u64`).
-   - `Slot` and `Epoch` are `u64`.
-   - Time arithmetic reports `error.Overflow` on overflow.
 
 ## Testing