update .md files

Author: alexeev-prog

BUILDING.md

@@ -1,5 +1,12 @@
 # Building with CMake
 
+## Activate Nix Shell
+SLEAF dev environment support nix shells:
+
+```bash
+nix-shell
+```
+
 ## Build
 
 This project doesn't require any special command-line flags to build to keep
@@ -21,6 +28,19 @@ cmake -S . -B build
 cmake --build build --config Release
 ```
 
+## OR build with build script
+We have special bash-script for automate building and running:
+
+```sh
+./build.sh all
+```
+
+You can try **legacy** script:
+
+```sh
+./scripts/build-legacy.sh # NOT recommended
+```
+
 ### Building with MSVC
 
 Note that MSVC by default is not standards compliant and you need to pass some

CHANGELOG.md

@@ -1,3 +1,9 @@
+commit 786234ec4157a8b5ce04cdd84c00c4d6a3e412a5
+Author: Alexeev Bronislav <alexeev.dev@mail.ru>
+Date:   Mon Aug 4 05:59:51 2025 +0700
+
+    fix ci workflopw
+
 commit 06bf2b608a5845a3ee3ca97448a0bf826ef2cd3f
 Author: Alexeev Bronislav <alexeev.dev@mail.ru>
 Date:   Mon Aug 4 05:51:50 2025 +0700

README.md

@@ -102,7 +102,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
 ## SLEAF Manifesto
 *"We reject the false choice between performance and expressiveness.
 We reject the old methods imposed by backward compatibility with
-long-dead legacy products. Morning is a new era in programming
+long-dead legacy products. SLEAF is a new era in researching programming
 that combines the simplicity of S-expressions with the functionality
 of C++. Thanks to the purity of the project and its versatility,
 you can create anything and everything you want."*