Update README and API header for v0.7.0

Adds World Markers section (new module shipping in 0.7.0). Updates the
Performance section with Lua runtime optimizations (allocator, GC,
string interning, pattern prefilter). Fixes Log Sessions documentation
to reflect per-day rollover. Adds worldmarkers, clickthrough, and
weirdperformance to the DLL auto-discovery list in weirdutils_api.h.

weirdutils_api.h

@@ -31,6 +31,7 @@ typedef int (__cdecl *WeirdUtils_DisableAllFn)(void);
 
 static const char *const WeirdUtils__DllNames[] = {
     "weirdutils.dll",
+    "worldmarkers.dll",
     "pngscreenshots.dll",
     "transmogfix.dll",
     "customassets.dll",
@@ -38,6 +39,8 @@ static const char *const WeirdUtils__DllNames[] = {
     "healtextfix.dll",
     "bigcursor.dll",
     "minimapicons.dll",
+    "clickthrough.dll",
+    "weirdperformance.dll",
     NULL
 };