chore: *.tex files moved to api_reference/src directory

docs/api_reference/src/CMakeLists.txt

@@ -0,0 +1,41 @@
+cmake_minimum_required(VERSION 3.24.0)
+project(mp-units_reference_documentations LANGUAGES NONE)
+
+include(JEGPAddStandardeseSources)
+
+set(pdf_title "mp-units Library")
+set(page_license "MIT License")
+set(first_library_chapter "qties")
+set(last_library_chapter "qties")
+set(cover_title "mp-units Library Reference Documentations")
+set(reply_to "\\href{${PROJECT_HOMEPAGE_URL}/discussions}{Discussions}, \\href{${PROJECT_HOMEPAGE_URL}/issues}{issues}")
+jegp_add_standardese_sources(
+    mp-units_reference_documentations
+    LIBRARIES intro quantities
+    EXTENSIONS macros_extensions
+    CHECKED TRUE
+#    PDF PATH "mp-units.pdf" #[[EXCLUDE_FROM_MAIN]]
+    HTML PATH "mp-units.html" #[[EXCLUDE_FROM_MAIN]]
+         SECTION_FILE_STYLE "WithExtension"
+         LATEX_REGEX_REPLACE
+             # Latex commands.
+             [[\\href{([^}]+)}{([^}]+)};HREF(\1)(\2)]]
+             # Macros extensions.
+             [[\\refcpp{([^}]+)};REFCPP(\1)]]
+             [[\\irefcpp{([^}]+)};~(REFCPP(\1))]]
+             [[\\refcppx{([^}]+)}{([^}]+)};REFCPPX(\1)(\2)]]
+             [[\\irefcppx{([^}]+)}{([^}]+)};~(REFCPPX(\1)(\2))]]
+             [[\\refiev{([^}]+)};REFIEV(\1)]]
+             [[\\irefiev{([^}]+)};~(REFIEV(\1))]]
+             # Main matter and annexes.
+             [[\\\"{o};ö]]
+         HTML_REGEX_REPLACE
+             # Latex commands.
+             [[HREF\(([^)]+)\)\(([^)]+)\);<a href="\1">\2</a>]]
+             # Macros extensions.
+             [[REFCPP\(([^)]+)\);<a href="https://wg21.link/\1">ISOCPP, [\1]</a>]]
+             [[REFCPPX\(([^)]+)\)\(([^)]+)\);<a href="https://wg21.link/\1\2">ISOCPP, [\1]</a>]] #
+             [[ISOCPP;N4971]]
+             [[REFIEV\(([^)]+)\);<a href="https://www.electropedia.org/iev/iev.nsf/display?openform&ievref=\1">IEC 60050, \1</a>]]
+             # Main matter and annexes.
+)