Initial template structure from nostr_core_lib

- Complete C library template with OpenSSL-based crypto
- Comprehensive build system (Makefile, build.sh)
- Example code and test suite
- Documentation and usage guides
- Cross-platform compatibility (x64/ARM64)
- Production-ready structure for C library projects

curl-install/lib/libcurl.la

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+# libcurl.la - a libtool library file
+# Generated by libtool (GNU libtool) 2.4.7 Debian-2.4.7-7~deb12u1
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname=''
+
+# Names of this library.
+library_names=''
+
+# The name of the static archive.
+old_library='libcurl.a'
+
+# Linker flags that cannot go in dependency_libs.
+inherited_linker_flags=''
+
+# Libraries that this one depends upon.
+dependency_libs=' -lssl -lcrypto -lz -L/home/teknari/Sync/Programming/VibeCoding/nostr_core_lib/openssl-3.4.2/../openssl-install/lib64'
+
+# Names of additional weak libraries provided by this library
+weak_library_names=''
+
+# Version information for libcurl.
+current=12
+age=8
+revision=0
+
+# Is this an already installed library?
+installed=yes
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=no
+
+# Files to dlopen/dlpreopen
+dlopen=''
+dlpreopen=''
+
+# Directory that this library needs to be installed in:
+libdir='/home/teknari/Sync/Programming/VibeCoding/nostr_core_lib/curl-install/lib'

curl-install/lib/pkgconfig/libcurl.pc

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+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+# SPDX-License-Identifier: curl
+#
+###########################################################################
+
+prefix=/home/teknari/Sync/Programming/VibeCoding/nostr_core_lib/curl-install
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+supported_protocols="FILE FTP FTPS HTTP HTTPS IPFS IPNS MQTT WS WSS"
+supported_features="alt-svc AsynchDNS HSTS IPv6 Largefile libz NTLM SSL threadsafe TLS-SRP UnixSockets"
+
+Name: libcurl
+URL: https://curl.se/
+Description: Library to transfer files with HTTP, FTP, etc.
+Version: 8.15.0
+Requires: zlib,openssl
+Requires.private: zlib,openssl
+Libs: -L${libdir} -lcurl -lssl -lcrypto -lssl -lcrypto -lz 
+Libs.private: -L/home/teknari/Sync/Programming/VibeCoding/nostr_core_lib/openssl-3.4.2/../openssl-install/lib64 -lssl -lcrypto -lssl -lcrypto -lz
+Cflags: -I${includedir} -DCURL_STATICLIB
+Cflags.private: -DCURL_STATICLIB