Overwork project infrastructure (#5218)

* 📡 overwork project infrastructure

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

* 🚷 fix GCC16 issue

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

* 🚷 fix GCC16 issue

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

* 🚷 only build module for GCC

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

* 🚷 fix build

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

* 📡 fix documentation

Closes #5012: fix the error_handler_t::ignore wording

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

* 📡 fix documentation

Closes #4354: fix "Custom data source" example

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

---------

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

docs/mkdocs/docs/api/basic_json/dump.md

@@ -27,8 +27,8 @@ and `ensure_ascii` parameters.
 `error_handler` (in)
 :   how to react on decoding errors; there are three possible values (see [`error_handler_t`](error_handler_t.md):
     `strict` (throws an exception in case a decoding error occurs; default), `replace` (replace invalid UTF-8 sequences
-    with U+FFFD), and `ignore` (ignore invalid UTF-8 sequences during serialization; all bytes are copied to the output
-    unchanged)).
+    with U+FFFD), and `ignore` (ignore invalid UTF-8 sequences during serialization; all valid bytes are copied to the
+    output unchanged, and invalid bytes are dropped)).
     
 ## Return value
 

docs/mkdocs/docs/api/basic_json/error_handler_t.md

@@ -18,7 +18,7 @@ replace
 :   replace invalid UTF-8 sequences with U+FFFD (� REPLACEMENT CHARACTER)
 
 ignore
-:   ignore invalid UTF-8 sequences; all bytes are copied to the output unchanged
+:   ignore invalid UTF-8 sequences; all valid bytes are copied to the output unchanged, and invalid bytes are dropped
 
 ## Examples