moved scripts into subdirectory

meson.build

 project('spdlog', ['cpp'],
   license         : 'MIT',
-  version         : run_command(find_program('extract_version.py')).stdout().strip(),
+  version         : run_command(find_program('scripts/extract_version.py')).stdout().strip(),
   default_options : [
     'warning_level=3',
     'cpp_std=c++11',

clang_tidy.sh → scripts/clang_tidy.sh

+#!/bin/bash
+
+cd "$(dirname "$0")"
+cd ..
+
 clang-tidy example/example.cpp -- -I ./include

extract_version.py → scripts/extract_version.py

@@ -3,7 +3,7 @@
 import os
 import re
 
-base_path = os.path.abspath(os.path.dirname(__file__))
+base_path = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
 config_h  = os.path.join(base_path, 'include', 'spdlog', 'version.h')
 data      = {'MAJOR': 0, 'MINOR': 0, 'PATCH': 0}
 reg       = re.compile(r'^\s*#define\s+SPDLOG_VER_([A-Z]+)\s+([0-9]+).*$')

format.sh → scripts/format.sh

+#!/bin/bash
+
+cd "$(dirname "$0")"
+cd ..
+
 echo -n "Running dos2unix     "
 find . -name "*\.h" -o -name "*\.cpp"|grep -v bundled|xargs -I {} sh -c "dos2unix '{}' 2>/dev/null; echo -n '.'"
 echo