Begin sandboxing support, README updates.

Makefile

@@ -2,7 +2,7 @@
 
 CXXFLAGS=-std=c++17 -O0 -g -no-pie -pipe -MMD -Wall -Wextra
 RELEASE_CXXFLAGS=-std=c++17 -O3 -pipe -MMD -Wall -Wextra
-LDFLAGS=-lsqlite3 -lpthread -lcrypto -lboost_regex -lstdc++fs
+LDFLAGS=-lsqlite3 -lpthread -lcrypto -lboost_regex -lstdc++fs -lseccomp
 
 CXX=g++
 
@@ -12,12 +12,14 @@ SOURCES+=$(wildcard gateway/*.cpp)
 SOURCES+=$(wildcard handlers/*.cpp)
 SOURCES+=$(wildcard database/*.cpp)
 SOURCES+=$(wildcard cache/*.cpp) 
+SOURCES+=$(wildcard sandbox/*.cpp) 
 
 HEADERS=$(wildcard *.h)
 HEADERS+=$(wildcard gateway/*.h)
 HEADERS+=$(wildcard handlers/*.h)
 HEADERS+=$(wildcard database/*.h)
 HEADERS+=$(wildcard cache/*.h) 
+HEADERS+=$(wildcard sandbox/*.h) 
 
 
 OBJECTS=$(patsubst %.cpp, %.o, $(SOURCES))