Complete Dataframe MVP (#3373)

* Dataframe MVP

* Removed test csv file

* Dataframe MVP

* Removed test csv file

* New revision polars

* New revision polars

* csv file reader

* argument parser for file reader

* Parser from Row primitive

* Column conversion

* Added as f32 and f64

* Parsing row to dataframe

* Removed repeated push to vector

* Accept table values to create dataframe

* Removed default serde

* Dataframe to rows to show data

* Save name of file with dataframe

* Usage example

* Upgrade polars version

* Clippy changes

* Added print function with head and tail

* Move dataframe struct to folder

* Lock file after running tests and merge

* Optional feature for dataframe

* Removed dataframe from plugins

* Update primitive.rs

Co-authored-by: JT <jonathandturner@users.noreply.github.com>

crates/nu-data/src/base/shape.rs

@@ -43,6 +43,10 @@ pub enum InlineShape {
     // TODO: Error type
     Error,
 
+    // TODO: Dataframe type
+    #[cfg(feature = "dataframe")]
+    Dataframe,
+
     // Stream markers (used as bookend markers rather than actual values)
     BeginningOfStream,
     EndOfStream,
@@ -123,6 +127,8 @@ impl InlineShape {
             UntaggedValue::Table(table) => InlineShape::from_table(table.iter()),
             UntaggedValue::Error(_) => InlineShape::Error,
             UntaggedValue::Block(_) => InlineShape::Block,
+            #[cfg(feature = "dataframe")]
+            UntaggedValue::Dataframe(_) => InlineShape::Dataframe,
         }
     }
 
@@ -312,6 +318,8 @@ impl PrettyDebug for FormatInlineShape {
             .group(),
             InlineShape::Block => DbgDocBldr::opaque("block"),
             InlineShape::Error => DbgDocBldr::error("error"),
+            #[cfg(feature = "dataframe")]
+            InlineShape::Dataframe => DbgDocBldr::error("dataframe_pretty_FormatInlineShape"),
             InlineShape::BeginningOfStream => DbgDocBldr::blank(),
             InlineShape::EndOfStream => DbgDocBldr::blank(),
         }