add module structure for unimplemented barcodes

src/datamatrix/mod.rs

@@ -0,0 +1,3 @@
+pub mod decoder;
+pub mod detector;
+pub mod encoder;

src/lib.rs

@@ -82,3 +82,8 @@ pub use planar_yuv_luminance_source::*;
 
 mod rgb_luminance_source;
 pub use rgb_luminance_source::*;
+
+pub mod datamatrix;
+pub  mod multi;
+pub mod oned;
+pub mod pdf417;

src/multi/mod.rs

@@ -0,0 +1 @@
+pub mod qrcode;

src/multi/qrcode/mod.rs

@@ -0,0 +1 @@
+pub mod detector;

src/oned/mod.rs

@@ -0,0 +1 @@
+pub mod rss;

src/oned/rss/expanded/mod.rs

@@ -0,0 +1 @@
+pub mod decoders;

src/oned/rss/mod.rs

@@ -0,0 +1 @@
+pub mod expanded;

src/pdf417/decoder/mod.rs

@@ -0,0 +1 @@
+pub mod ec;

src/pdf417/mod.rs

@@ -0,0 +1,3 @@
+pub mod decoder;
+pub mod detector;
+pub mod encoder;