docs: update README.md for CLI accuracy and standards

- Replace hardcoded version with <version> placeholder in installation script
- Link to GitHub Releases page in manual installation instructions
- Remove unnecessary blank lines in code fences
- Ensure alignment with project documentation standards

Co-authored-by: yacosta738 <33158051+yacosta738@users.noreply.github.com>

Author: google-labs-jules[bot]

README.md

@@ -102,14 +102,12 @@ cargo install agentsync
 
 ### From GitHub Releases (Pre-built Binaries)
 
-Download the latest release for your platform from the [GitHub Releases](https://github.com/dallay/agentsync/releases) page.
-
-To install via terminal, you can use the following script (replace `VERSION` with the latest version number, e.g., `1.28.0`):
+For manual installation, visit the [GitHub Releases](https://github.com/dallay/agentsync/releases) page to find the latest version. Substitute `<version>` with a real tag (e.g., `1.28.0`) and `<platform>` with your target in the following script:
 
 ```bash
 # Define version and platform
-VERSION="1.28.0"
-PLATFORM="x86_64-apple-darwin" # e.g., aarch64-apple-darwin, x86_64-unknown-linux-gnu
+VERSION="<version>"
+PLATFORM="<platform>" # e.g., x86_64-apple-darwin, aarch64-apple-darwin, x86_64-unknown-linux-gnu
 TARBALL="agentsync-${VERSION}-${PLATFORM}.tar.gz"
 
 # Download binary and checksum
@@ -147,9 +145,7 @@ Or clone and build manually:
 git clone https://github.com/dallay/agentsync
 cd agentsync
 cargo build --release
-
 # The binary will be available at ./target/release/agentsync
-
 ```
 
 ## Quick Start