docs: add sudo privileges to examples

Author: santysisi

README.md

@@ -581,7 +581,7 @@ Compile and install at the source folder:
 ```shell
 phpize && \
 ./configure && \
-make && make install
+make && sudo make install
 ```
 
 #### Enable extension in PHP

docs/TESTS.md

@@ -57,7 +57,7 @@ cd swoole-src
 phpize
 ./configure ${options}
 make -j$(nproc)
-make install
+sudo make install
 ```
 Need to configure `php.ini`, add `extension=swoole.so` to enable `ext-swoole`.